Re: [PATCH v2 1/7] ACPI / blacklist: add acpi_match_oemlist() interface

Borislav Petkov
2017-08-04T03:42:53Z

On Thu, Aug 03, 2017 at 03:57:47PM -0600, Toshi Kani wrote:
> ACPI OEM ID / OEM Table ID / Revision can be used to identify
> a platform based on ACPI firmware info. acpi_blacklisted(),
> intel_pstate_platform_pwr_mgmt_exists(), and some other funcs,
> have been using similar check to detect a list of platforms
> that require special handlings.
>
> Move the platform check in acpi_blacklisted() to a new common
> utility function, acpi_match_oemlist(), so that other drivers
> do not have to implement their own version.
>
> There is no change in functionality.
>
> Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
> Cc: Borislav Petkov <bp@alien8.de>
> ---
> drivers/acpi/blacklist.c | 83 ++++++++--------------------------------------
> drivers/acpi/utils.c | 40 ++++++++++++++++++++++
> include/linux/acpi.h | 19 +++++++++++
> 3 files changed, 73 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> index bb542ac..bf44573 100644
> --- a/drivers/acpi/blacklist.c
> +++ b/drivers/acpi/blacklist.c
> @@ -30,30 +30,13 @@
>
> #include "internal.h"
>
> -enum acpi_blacklist_predicates {
> - all_versions,
> - less_than_or_equal,
> - equal,
> - greater_than_or_equal,
> -};
> -
> -struct acpi_blacklist_item {
> - char oem_id[7];
> - char oem_table_id[9];
> - u32 oem_revision;
> - char *table;
> - enum acpi_blacklist_predicates oem_revision_predicate;
> - char *reason;
> - u32 is_critical_error;
> -};
> -
> static struct dmi_system_id acpi_rev_dmi_table[] __initdata;
>
> /*
> * POLICY: If *anything* doesn't work, put it on the blacklist.
> * If they are critical errors, mark it critical, and abort driver load.
> */
> -static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
> +static struct acpi_oemlist acpi_blacklist[] __initdata = {

All that wasted energy to try to explain to you that "oemlist" is wrong
and that whole rename is pointless, went for nothing.

So NAK.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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